Demand & Supply Planning, Sentry

Costa Mesa · Costa Mesa, CA (OC-13) · USD 112,000-149,000 · 3+ years experience · Onsite · Posted Oct 7, 2026

At a glance

The Demand & Supply Planner will manage material flow throughout the entire value chain, from raw materials to finished goods.
This role involves full ownership of specific assemblies and product lines, requiring the development of accurate demand signals and inventory plans.
The planner will collaborate across departments to ensure hardware requirements are met using ERP systems and other operational tools.

Manage day-to-day demand signaling, ordering, and inventory for various product lines.
Identify and resolve supply issues by collaborating with Engineering, Purchasing, and Manufacturing teams.
Lead Sales and Operations Planning (S&OP) discussions for Supply Planning on designated product lines.
Work with Business Development and Growth teams to align forecasts with actual demand plans.
Report on and analyze supply and material health to inform key decisions for Engineering, Purchasing, Manufacturing, and Business Development.
Develop and maintain processes within MRP systems and associated master data.
Drive strategic initiatives towards best practices, including demand shaping, advanced modeling, and inventory optimization.

Bachelor’s degree in a technical field or business field.
3+ years of experience in a supply chain or production role within a fast-paced manufacturing environment dealing with complex assemblies.
Complete ownership of a complex value chain, coordinating between multiple departments to ensure on-time deliveries and quality standards.
Technical expertise including ability to read technical documentation and understanding hardware manufacturing processes.
Experience with ERP systems such as Oracle, NetSuite, and CRM systems like Salesforce.
Ability to travel up to 10% of the time.
Ability to relocate, if not already local to be onsite in Costa Mesa, CA.

Master’s degree or other higher education.
Strong experience with SQL databases, including building custom queries for production and inventory metrics.
Proficiency in data analysis and reporting tools such as Tableau, Power BI, or Qlikview.
Knowledge of supply chain planning systems like Blue Yonder and best practices in demand planning, inventory management, and S&OP.
Experience with lean manufacturing, continuous improvement, six sigma principles, and big data evaluation techniques.
Proactive, able to take substantial responsibility across various functions, with a focus on speed and accuracy.
Ability to obtain and maintain a U.S. TS clearance.

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